Katahjari Gaon is a village in Mayong tehsil in district of Morigaon, Assam, India. As per the data provided by Census of India in 2011, total population of Katahjari Gaon was 478 which includes 258 males and 220 females. Katahjari Gaon covers 273.9 ha area. Pincode of Katahjari Gaon is N/A.